William g



rNo Model.)

W. G. LATIMER.

CASH REGISTER.

No. 435,067. l Patented Aug. 26, 1890.

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UNITED STATES PATENT OFFICE.

VILLIAM G. LATIMER, OF DETROIT, MICHIGAN, ASSIGNOR TO TIIE LATIMER CASH REGISTER COMPANY, OF SAME PLACE.

CASH-REGISTER.

SPECIFICATION forming part of Letters Patent No. 485,067', dated August 26, 1890.

Application filed April 3, 1890. Serial No. 346,482. (No model.)

T0 all whom it may concern: the series Z) to the left of the center, slanting Be it known that I, IVILLIAM G. LATIMER, toward the center, and the seriesc to the right a citizen of the United States, residing at Deof the center, likewise slanting toward the troit, in the county of lVaync and State of center, while the central slot d is vertical.

5 Michigan, have invented certain new and usee are arms secured upon the keys, each arm 5 5 ful Improvements in CashsRegi sters, of which carrying a rearwardly-proj ecting pin f, which thefollowingisaspecification,referencebeing is arranged directly opposite the lower end had therein to the accompanying drawings. of the corresponding slot in the bar D.

This invention relates to new and useful The parts being thus constructed and ario improvementsin alocking device for the keys ranged upon the operation of a key say, for I60 of cash-registers; and the invention consists instance, the key lettered I'I-the .bar e will in the arrangement of a sliding bar provided be carried up and with it the pin f, which with slots in which arms upon the keys are will enter the lower end of the left-hand slot, adapted to engage, said slots being variously striking against the inclined slot g thereof. i5 inclined, whereby the bar in which said slots The continued upward movement of this pin 6 5 are formed is given a diiferent movement by in the slot will throw the bar D to one side, the operation of each of said keys, and whereacting against the tension of the spring. by the simultaneous operation of more than lVhen the pin has passed to the end in the one key is prevented, all as more fully hereslot, the spaces 71. will be opposite the pins, 2o inafter described. thereby acting as a stop. Should the central 7o In the drawings which accompany this key t' be operated it will enter the vertical specification, Figure l is a section through a slot d and prevent the necessary movement cash-register, showing the keys only, the tabof the bar, which is required in the Operation let-rods and registering mechanism of which of any of the other keys. Should two keys 25 may be of any desired construction. Fig. 2 be operated simultaneously-one in each of 75 is a cross-section on line Qc in Fig. l. Fig. the groups b c-t-he reverse action of the in- 3 is a similar section, showing the parts in poclined slots would prevent'the movement of sition when operated. the bar in either direction, and thereby pre- A are the keys, which are journaled upon vent such operation of two such keys. The 3o the shaft B, and which I preferably arrange operation of two keys in either one of the 8O in groups or banks of nine. These groups are groups would be prevented by the dierence preferably three in number-one for cents,one in incline of the slots in said groups. Unless for dimes, and one for dollars; but I show the key is withdrawn the spring returns the i herein but one group, as that is all that is bar to its normal position ready for the oper- 3 5 necessary for the explanation of my improveation of another-key. 85 ment, as the locking device for each is inde- It is evident that the arms upon the keys pendent of the other groups. may be omitted and the upper edges of the C is the shaft or bar secured in the frame keys themselves enter the slots in the sliding of the machine transversely, extending across bar.

4o the keys and supported in any suitable manlVhat I claim as my invention is 90 ner. Upon this shaft is slidingly secured the l. In a cash-register, the combination, with bar D. By means of the upwardlyextended the keys, of a movable bar arranged above arms E between these arms is stationarily sethe same and provided with a series of diifercured on the shaft C the block F, and between ently-inclined slots and a spring designed to 45 this block and the arms E upon both sides return said bar to its normal position, sub- 95 are sleeved the springs G, which by their tenstantially as described. sion tends to hold the bar normally in posi-V 2. In a cash-register, the combination, with tion, as shown in Fig. 2. This bar is provided the keys, of a locking-bar for preventing the on its under side with a series of slots a, which simultaneous operation of two or more keys,

5o I preferably arrange as shown in Fig. 2, with consisting of a movable bar provided with a 100 series of differently-inclined slots or apertures adapted to be traversed by a part of the key to move said bar upon the operation of a key, substantially as described.

3. In a cash-register, the combination, with the keys, of a looking-bar for preventing the simultaneous operation of two or more keys, consisting` of a movable bar provided with a series of dierently-inolined slots or apertures xo adapted to be traversed bythe key or an arm thereof and a spring` to return said bar to its normal position, substantially as described.

In testimony whereof I affix my signature, in presence of two witnesses, this 28th day of January, 1890.

WILLIAM G. LATIMER.

Wvitnesses':

M. B. ODOGHERTY, S. M. I'IULBERT. 

